3989794716 has 18 divisors (see below), whose sum is σ = 10085314512. Its totient is φ = 1329931560.

The previous prime is 3989794691. The next prime is 3989794727. The reversal of 3989794716 is 6174979893.

3989794716 is a `hidden beast` number, since 3 + 98 + 9 + 79 + 471 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55413780 + ... + 55413851.

Almost surely, 2^3989794716 is an apocalyptic number.

3989794716 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3989794716 is an abundant number, since it is smaller than the sum of its proper divisors (6095519796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3989794716 is a wasteful number, since it uses less digits than its factorization.

3989794716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110827641 (or 110827636 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The square root of 3989794716 is about 63164.8218235435. The cubic root of 3989794716 is about 1586.0499123725.

The spelling of 3989794716 in words is "three billion, nine hundred eighty-nine million, seven hundred ninety-four thousand, seven hundred sixteen".